Question

Rezolva, in Q, ecuatiile:
f) a - 0,2(3) = 4/15​

Answer 1

$a- \frac{23-2}{90} =\frac{4}{15}$ (amplificam fractia cu 6)

$a-\frac{21}{90} = \frac{24}{90}$

$a=\frac{24}{90} + \frac{21}{90}$

$a=\frac{45}{90}$ (simplificam cu 45)

$a=\frac{1}{2}$